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HomeClockworkMod (CWM) Recovery easy install for RK3066 and RK3188 -- TWRP/CWM Flash-Tool and root for RK3288
Please donate to support OMA and CrewRKTablets firmware work, thank you !
2015/05/11
Offline
Hello,
I've tried to install custom ROM on that device
CyanogenMod version: 10.1-20131220-UNOFFICIAL-crewrktablets
Build number: Oma RK30 JB 4.2.2 v1.4 - 10.10.2014
The problem is i'm having a boop loop a few time after I installed a rom again.
After "Wipe data/factory reset" problem always disappear,
so it seems problem coming from "user data" at /data folder.
One time I have had an error in google.process.acore app, then error in Nova Launcher.
I tried to reboot - caught a boot loop.
Then I'm (stupidly) tried to clear data for Play Store, P.Store Services, G.S. Framework apps
right after factory reset. It haven't solved problem with boot loops.
Then I tried to do a CWM backup, reboot,
then done some little things (didn't install/remove anything, don't clean any app's cache or data),
reboot - and caught boot loop.
I tried to do 2nd "bad" backup after that,
then restore that "bad" backup - boot loop disappeared.
So, I'm asking your help in finding the source of problem.
If touch a bootloop again, I'll try do save some logcat in file, may be it help you.
Moderator
Firmware Guru
2012/10/06
Online
You did use the right kernel?
Could be a not properly formatted NAND. So, pls install with the generic stock recovery first (see blog).
- Oma -
Per aspera ad astra, we rock the Tablets !
If you like our firmwares, please consider making a donation to support our work.
Thank you!
2015/05/11
Offline
I've got a custom rom from another pda forum.
The address of my archive is http://pan.baidu.com/s/1qW6Zn6O
or a https://yadi.sk/d/ETPf5nqYcWt3v mirror (in right dowm corner you can choose English language).
It seems to be like a Odys Genio cRom v1.4
from the "CM 10.1 on rk30 board" page, but kernel img file a bit different.
Also I used format_NAND_fix and sensor fix 7
Moderator
Firmware Guru
2012/10/06
Online
Use this recovery http://crewrktablets.arctablet.com/?wpfb_dl=1036 and do a fresh install incl. eraseIDB.
Copy it into folder rockdev/Images. Rename recovery.img in CWM.img first.
The stock recovery will format the user partitions and boot into Android.
Rename CWM.img in recovery.img and flash it (just tick parameter, misc and recovery). In CWM install sensor fix.
- Oma -
Per aspera ad astra, we rock the Tablets !
If you like our firmwares, please consider making a donation to support our work.
Thank you!
2015/05/11
Offline
It seems I catched a problem again on this rom.
This time no bootloops, but I have a google services and process.acore crashing every time.
I can't clear app caches in Settings, can't delete my Google account.
Logcat logs in attachments
Seems it's problem with SQLite
Moderator
Firmware Guru
2012/10/06
Online
Same root cause. Try to format again with stock recovery.
If the issue persists your NAND is most likely corrupted.
- Oma -
Per aspera ad astra, we rock the Tablets !
If you like our firmwares, please consider making a donation to support our work.
Thank you!
2015/05/11
Offline
Oma, I used my stock rom before,
and I periodically had a bootloops.
Additionally original rom haven't suitable cwm recovery for it.
CWM for stock rom causing boot in recovery instead of loading Android
when I'm pressing POWER button.
So that's why I deleted my stock rom and tried this cyanogenmod.
----------------
So, before formatting it all again
Can I check(test) my internal tablet's NAND for read/write errors,
may be with small program or script
in zip for CWM?
Some attempts later I got a boot loop again.
As I can get from logcat, /data folder became read-only
and nothing can work with it correctly. Even the Settings app.
Moderator
Firmware Guru
2012/10/06
Online
spriteork said
Oma, I used my stock rom before,
and I periodically had a bootloops.
Ok, new information. This indicates also that your NAND is corrupted. In this case there is nothing we can do. Sorry.
- Oma -
Per aspera ad astra, we rock the Tablets !
If you like our firmwares, please consider making a donation to support our work.
Thank you!
2015/05/11
Offline
Looks like it was a problem with file system.
---------------
I reboot to CWM
- make a backup
then
- restore "data" from just taken backup
- reboot to Android
All works fine! No any error dialogs.
---------------
It turns out, that CWM healed permission problems on data folder
during recovery process.
Interesting, which of applications may cause that.
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